CA2576815A1 - Clearcoat composition compatible with both waterborne and solventborne basecoats - Google Patents

Clearcoat composition compatible with both waterborne and solventborne basecoats Download PDF

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Publication number
CA2576815A1
CA2576815A1 CA002576815A CA2576815A CA2576815A1 CA 2576815 A1 CA2576815 A1 CA 2576815A1 CA 002576815 A CA002576815 A CA 002576815A CA 2576815 A CA2576815 A CA 2576815A CA 2576815 A1 CA2576815 A1 CA 2576815A1
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CA
Canada
Prior art keywords
composition
component
weight
binder
clearcoat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002576815A
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French (fr)
Other versions
CA2576815C (en
Inventor
Jun Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2576815A1 publication Critical patent/CA2576815A1/en
Application granted granted Critical
Publication of CA2576815C publication Critical patent/CA2576815C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
    • C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/282—Alkanols, cycloalkanols or arylalkanols including terpenealcohols
    • C08G18/2825—Alkanols, cycloalkanols or arylalkanols including terpenealcohols having at least 6 carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D201/00—Coating compositions based on unspecified macromolecular compounds
    • C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C09D201/025—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D201/00—Coating compositions based on unspecified macromolecular compounds
    • C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C09D201/10—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing hydrolysable silane groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A curable film-forming coating composition, typically a clearcoat, having improved compatibility over waterborne and solventborne basecoats. The composition includes a film-forming binder comprising a carbamate material, a curing agent, typically a monomeric melamine curing agent, and a hydroxy functional silane component. When used as a clearcoat over a standard pigmented basecoat, the resulting coating provides a substantially wrinkle free appearance and excellent adhesion to both waterborne and solventborne basecoats.

Claims (16)

1. A curable coating composition comprising a film-forming binder and an organic liquid carrier; wherein the binder comprises:

(A) a curable film-forming material having a plurality of carbamate groups;

(B) one or more curing agents for component (A) comprising at least one monomeric alkylated melamine formaldehyde resin; and (C) a hydroxy functional silane component containing at least one hydrolyzable silane group and having a hydroxyl value of about 45 or above.
2. The coating composition of claim 1, wherein the binder further contains:
(D) a second hydroxy functional silane component containing at least one hydrolyzable silane group and having a hydroxyl value of about 44 or less.
3. The composition of claim 1 wherein the hydroxyl groups on the silane component are primary hydroxyl groups.
4. The composition of claim 1, wherein component (a) is a carbamate functional oligomer with secondary carbamate groups.
5. The composition of claim 1, wherein the curing agent component (b) contains essentially no polymeric melamine.
6. The composition of claim 1, wherein component (c) is a hydroxy-functional acrylosilane polymer with a hydroxyl value greater than 45.
7. The composition of claim 2, wherein component (d) is a hydroxy-functional acrylosilane polymer with a hydroxyl value smaller than 44.
8. The composition of claim 1 wherein the one or more curing agents (b) consist of the at least one monomeric alkylated melamine curing agent with a 0 -1.2 mole of NH per triazine ring.
9. The composition of claim 1, wherein the composition includes up to 60%
by weight, based on the weight of the binder, of component (a).
10. The composition of claim 1, wherein the composition includes greater than 10% by weight, based on the weight of the binder, of component (c).
11. A curable coating composition comprising about 45-90% by weight of a film-forming binder and about 10-55% by weight of an organic liquid carrier;
wherein the binder contains:

a) a curable film-forming oligomer or polymer having a plurality of secondary carbamate groups;

b) one or more curing agents comprising at least one monomeric alkylated melamine formaldehyde resin with 0 to 1.2 mole or less of NH per triazine ring;

c) a curable film-forming hydroxy functional silane oligomer or polymer having a hydroxyl number of about 45 to 150 and comprising polymerized ethylenically unsaturated monomers of which about 5 to 80% by weight contain hydrolyzable silyl functionality;

d) a curable film-forming hydroxy functional silane oligomer or polymer having a hydroxyl number of about 4 to 44 and comprising polymerized ethylenically unsaturated monomers of which about 10 to 97% by weight contain hydrolyzable silyl functionality; and e) optional non-aqueous dispersed polymer, wherein the content of component (c) in the binder ranges from about 10 to about 50% by weight, based on the total weight of the binder.
12. The composition of claim 11, wherein the curing agent component (b) contains essentially no polymeric melamine.
13. The composition of claim 11 wherein component (c) and (d) are acrylic polymers consisting essentially of polymerized monomers of styrene, an ethylenically unsaturated alkoxy silane-containing monomer selected from the group consisting of acrylate, methacrylate or vinyl monomer or any mixtures thereof, a nonfunctional acrylate or methacrylate and a hydroxy alkyl acrylate or methacrylate that has 1-4 carbon atoms in the alkyl group; wherein the acrylic polymer has a weight average molecular weight of about 1,000-20,000.
14. The composition of claim 11 wherein the composition further contains a moisture scavenger selected from the group consisting of trimethyl orthoacetate, triethyl orthoformate, tetrasilicate, and the like and any mixtures thereof.
15. The coating composition of claim 1, wherein said composition is a clearcoat for a basecoat/clearcoat finish.
16. The coating composition of claim 11, wherein said composition is a clearcoat for a basecoat/clearcoat finish.

18. A substrate coated with the dried and cured composition of claim 1.

19. An automobile or truck exterior body coated with the dried and cured composition of claim 1.

20. A process for coating a substrate, comprising:

(A) applying a layer of a pigmented basecoating to the substrate to form a basecoat thereon;

(B) applying over said basecoat, a clearcoat layer comprised of the composition of claim 1;

(C) curing the basecoat and clearcoat to form a multi-layer topcoat over the substrate.
CA2576815A 2004-08-30 2005-08-30 Clearcoat composition compatible with both waterborne and solventborne basecoats Expired - Fee Related CA2576815C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/929,239 2004-08-30
US10/929,239 US7838078B2 (en) 2004-08-30 2004-08-30 Clearcoat composition compatible with both waterborne and solventborne basecoats
PCT/US2005/030985 WO2006026669A2 (en) 2004-08-30 2005-08-30 Clearcoat composition compatible with both waterborne and solventborne basecoats

Publications (2)

Publication Number Publication Date
CA2576815A1 true CA2576815A1 (en) 2006-03-09
CA2576815C CA2576815C (en) 2012-10-30

Family

ID=35788105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2576815A Expired - Fee Related CA2576815C (en) 2004-08-30 2005-08-30 Clearcoat composition compatible with both waterborne and solventborne basecoats

Country Status (7)

Country Link
US (1) US7838078B2 (en)
EP (1) EP1784466B1 (en)
JP (1) JP2008511739A (en)
CA (1) CA2576815C (en)
DE (1) DE602005011306D1 (en)
MX (1) MX2007002181A (en)
WO (1) WO2006026669A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8318849B2 (en) * 2006-04-21 2012-11-27 Basf Coatings Gmbh High solids nonaqueous dispersion clearcoats
US7772304B2 (en) * 2006-11-17 2010-08-10 Basf Corporation Plasticizing component and a curable coating composition including the same
MX2009004317A (en) * 2006-11-29 2009-05-05 Basf Corp Clearcoating composition with unblocked acid catalyst.
CA2675576A1 (en) * 2007-02-13 2008-08-21 Basf Corporation Coating system for achieving excellent mvss adhesion
US20090017199A1 (en) * 2007-07-10 2009-01-15 Alex Kotyakov Clear-coat scratch repair composition and refinishing process
US7989070B2 (en) * 2007-12-20 2011-08-02 Basf Coatings Gmbh Coating composition for achieving excellent MVSS adhesion
WO2011042377A1 (en) 2009-10-09 2011-04-14 Basf Se Silylated melamine formaldehyde resins
EP2536773B1 (en) 2010-02-16 2014-04-09 Basf Se Silylated amino resins
US8309649B2 (en) 2010-02-16 2012-11-13 Basf Se Silylated amino resins
WO2011150164A1 (en) * 2010-05-27 2011-12-01 E. I. Du Pont De Nemours And Company Clearcoat composition and method of end of line repair using the clearcoat composition
US8901198B2 (en) 2010-11-05 2014-12-02 Ppg Industries Ohio, Inc. UV-curable coating compositions, multi-component composite coatings, and related coated substrates
US8513321B2 (en) 2010-11-05 2013-08-20 Ppg Industries Ohio, Inc. Dual cure coating compositions, methods of coating a substrate, and related coated substrates
US20150056394A1 (en) * 2013-08-21 2015-02-26 Nd Industries, Inc. Coating Composition and Anti-Spatter Coating Formed Therefrom

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Publication number Priority date Publication date Assignee Title
US4147688A (en) 1975-03-19 1979-04-03 Ppg Industries, Inc. Method of preparing dispersions of gelled polymeric microparticles and products produced thereby
US4075141A (en) 1975-10-09 1978-02-21 Ppg Industries, Inc. Carboxylic acid amide interpolymer-based coating compositions
GB1588976A (en) 1977-04-25 1981-05-07 Ici Ltd Coating composition containing metallic pigmentation
US4415681A (en) 1980-10-23 1983-11-15 Ford Motor Company Stabilized crosslinked dispersion
FR2565233B1 (en) 1984-05-30 1986-09-12 Rhone Poulenc Rech URETHANE LINKED SILICONE AND POLYLACTONE GRAFT COPOLYMER
US4591533A (en) 1985-06-03 1986-05-27 E. I. Du Pont De Nemours And Company Coating composition of an acrylic polymer, a dispersed acrylic polymer and an alkylated melamine crosslinking agent
MX9101079A (en) * 1990-09-17 1992-05-04 Du Pont COATING COMPOSITION AND PROCESS FOR COATING A SUBSTRATE WITH THE SAME
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DE19602555A1 (en) 1996-01-25 1997-08-07 Basf Lacke & Farben Aqueous binder solutions and dispersions
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Also Published As

Publication number Publication date
JP2008511739A (en) 2008-04-17
WO2006026669A3 (en) 2006-05-26
EP1784466A2 (en) 2007-05-16
EP1784466B1 (en) 2008-11-26
WO2006026669A2 (en) 2006-03-09
US7838078B2 (en) 2010-11-23
DE602005011306D1 (en) 2009-01-08
US20060047036A1 (en) 2006-03-02
MX2007002181A (en) 2007-04-02
CA2576815C (en) 2012-10-30

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Effective date: 20160830